Home / 20,516.01-30,612.96-19,262.13

Finding the Fourth Proportional to 20,516.01, 30,612.96 and 19,262.13

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Solution

The fourth proportional to 20,516.01, 30,612.96 and 19,262.13 is: 28,741.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,516.01 : 30,612.96 = 19,262.13 : x
  2. Step 2: Convert to fraction form
    20,516.01/30,612.96 = 19,262.13/x
  3. Step 3: Cross multiply
    20,516.01x = 30,612.96 × 19,262.13
  4. Step 4: Simplify right side
    20,516.01x = 589,670,815.20
  5. Step 5: Solve for x
    x = 589,670,815.20/20,516.01
  6. Step 6: Final answer
    x = 28,741.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.